[3] [3] Liang Lv, Ma Ping, Huang Jinyong, et al. Applied Optics, 2016, 55(9): 2252.

[5] [5] Ocana J L, Morales M, Molpeceres C, et al. Applied Surface Science, 2004, 238(1-4): 242.

[7] [7] Raman R N, Demos S G, Shen N, et al. Optics Express, 2016, 24(3): 2634.

[8] [8] Zhen J S, Yang Q, Yan Y H, et al. Radiation Effects and Defects in Solids, 2016, 171(3-4): 340.

[9] [9] Lawn B. Fracture of brittle solids. Cambridge University Press, 1993. 25.

[10] [10] Kajihara K, Hirano M, Skuja L, et al. Physical Review B Condensed Matter, 2008, 78(9): 1884.

[11] [11] Cheng S, Schiefelbein S, Moore L, et al. Journal of Non-Crystalline Solids, 2006, 352(28): 3140.

[13] [13] Shimada Y, Okuno M, Syono Y, et al. Physics & Chemistry of Minerals, 2002, 29(4): 233.

[14] [14] Arndt J, Stffler D. The Science of Nature, 1968, 55(5): 226.

[15] [15] Alfredo Pasquarello R C. Physical Review Letters, 1998, 80(23): 5145.